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Subsequent Events (Details Textual) (USD $) Share data in Millions, except Per Share data, unless otherwise specified | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2012 | Jun. 30, 2012 | Jul. 19, 2012
Subsequent Events (Textual) [Abstract] |  |  |
Vested percentage of full or partial year |  | 20.00% |
Distribution declared |  |  | $ 0.0775
Partners capital projected distribution amount on annualized basis |  |  | $ 0.31
Minimum dividend distribution per unit |  | $ 0.0675 |
Percentage of distributions to common unit holders in excess of minimum quarterly distribution |  | 90.00% |
Percentage of distributions to general unit holders in excess of minimum quarterly distribution |  | 10.00% |
Amount paid to common unit holders |  | $ 4,700,000 |
Amount paid to the General Partner |  | 56,000 |
Incentive distribution to the General Partner |  | 34,000 |
Incentive distributions to Management |  | 34,000 |
Dividend declaration date |  | Jul. 19, 2012 |
Dividend record date |  | Jul. 30, 2012 |
Dividend payable date |  | Aug. 07, 2012 |
Number of Shares Authorized to be Repurchased |  |  | 3.0
Vested percentage of plan benefits |  | 100.00% |
Payment to be received per heating degree-day | 35,000 |  |
Percentage in heating degree days during the period covered, divided by the ten year average, below which point payments to be received | 92.50% |  |
Maximum payout |  | $ 12,500,000 |
Chief Executive Officer [Member] |  |  |
Subsequent Events (Textual) [Abstract] |  |  |
Vested percentage of full or partial year |  | 33.33% |

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